StandaloneOpen sourcePrivacy High22k stars
Letta
Platform for building stateful agents with advanced memory persistence
Deployment
Self-Hosted
Pricing
$10-30/mo
Privacy
High
Channels
5 supported
Why teams pick it
- Open source with transparent code and flexible deployment options.
- Strong privacy story for users who care where data runs.
- Good memory and persistence support for ongoing conversations or tasks.
Trade-offs to know
- Lower autonomy — designed more as a platform than an out-of-box assistant
- Setup requires understanding memory architecture concepts
- Python-only — no native TypeScript/JavaScript implementation
How it feels in practice
Deployment
Self-Hosted
Pricing
Usually affordable for individuals or small teams, with some recurring model or hosting costs.
Privacy
Good privacy posture for most teams, especially when self-hosted or carefully configured.
Channels supported
TelegramSlackDiscordWhatsAppSignal
Gotchas
Before you commit
- You should expect ongoing hosting, uptime, and secret-management work if you deploy it for real users.
- Recurring subscription or model spend can matter more than the headline feature list.
How does Letta compare?
Want a personalized answer?
Take the quiz to see whether Letta still wins once we factor in your channels, deployment comfort, privacy needs, and budget.